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API 5CT K55 Pipe

API 5CT Grade K55 is a specification for casing and tubing used in the petroleum and natural gas industries. It is widely utilized for oil wells with varied end connections such as non-upset ends or external upset ends. Available in sizes from 4 1/2" to 13 3/8" OD.

MaterialAPI 5CT

ThicknessVaries by size (see Size Chart)

WidthN/A (Pipe OD)

LengthR1/R2/R3 (Threaded Lengths)

MOQ1 Ton

Lead TimeAbout one week

PortTianjin / Shanghai

Response within 24 hours

In Stock — Ready to Ship

Material Grade	API 5CT	Standard	API 5CT
Thickness Range	Varies by size (see Size Chart)	Width Range	N/A (Pipe OD)
Length Range	R1/R2/R3 (Threaded Lengths)	MOQ	1 Ton
Lead Time	About one week	Port of Shipment	Tianjin / Shanghai
C	0.34-0.39	Si	0.20-0.35
Mn	1.25-1.50	P	≤0.020
S	≤0.015	Cr	≤0.15
Ni	≤0.20	Cu	≤0.20
Yield Strength	≥379 MPa	Tensile Strength	≥655 MPa